dom/smil/nsSMILInterval.h@97036ab72558 (annotated)
dom/smil/nsSMILInterval.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef NS_SMILINTERVAL_H_ |
| michael@0 | 7 | #define NS_SMILINTERVAL_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsSMILInstanceTime.h" |
| michael@0 | 10 | #include "nsTArray.h" |
| michael@0 | 11 | |
| michael@0 | 12 | //---------------------------------------------------------------------- |
| michael@0 | 13 | // nsSMILInterval class |
| michael@0 | 14 | // |
| michael@0 | 15 | // A structure consisting of a begin and end time. The begin time must be |
| michael@0 | 16 | // resolved (i.e. not indefinite or unresolved). |
| michael@0 | 17 | // |
| michael@0 | 18 | // For an overview of how this class is related to other SMIL time classes see |
| michael@0 | 19 | // the documentation in nsSMILTimeValue.h |
| michael@0 | 20 | |
| michael@0 | 21 | class nsSMILInterval |
| michael@0 | 22 | { |
| michael@0 | 23 | public: |
| michael@0 | 24 | nsSMILInterval(); |
| michael@0 | 25 | nsSMILInterval(const nsSMILInterval& aOther); |
| michael@0 | 26 | ~nsSMILInterval(); |
| michael@0 | 27 | void Unlink(bool aFiltered = false); |
| michael@0 | 28 | |
| michael@0 | 29 | const nsSMILInstanceTime* Begin() const |
| michael@0 | 30 | { |
| michael@0 | 31 | NS_ABORT_IF_FALSE(mBegin && mEnd, |
| michael@0 | 32 | "Requesting Begin() on un-initialized instance time"); |
| michael@0 | 33 | return mBegin; |
| michael@0 | 34 | } |
| michael@0 | 35 | nsSMILInstanceTime* Begin(); |
| michael@0 | 36 | |
| michael@0 | 37 | const nsSMILInstanceTime* End() const |
| michael@0 | 38 | { |
| michael@0 | 39 | NS_ABORT_IF_FALSE(mBegin && mEnd, |
| michael@0 | 40 | "Requesting End() on un-initialized instance time"); |
| michael@0 | 41 | return mEnd; |
| michael@0 | 42 | } |
| michael@0 | 43 | nsSMILInstanceTime* End(); |
| michael@0 | 44 | |
| michael@0 | 45 | void SetBegin(nsSMILInstanceTime& aBegin); |
| michael@0 | 46 | void SetEnd(nsSMILInstanceTime& aEnd); |
| michael@0 | 47 | void Set(nsSMILInstanceTime& aBegin, nsSMILInstanceTime& aEnd) |
| michael@0 | 48 | { |
| michael@0 | 49 | SetBegin(aBegin); |
| michael@0 | 50 | SetEnd(aEnd); |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | void FixBegin(); |
| michael@0 | 54 | void FixEnd(); |
| michael@0 | 55 | |
| michael@0 | 56 | typedef nsTArray<nsRefPtr<nsSMILInstanceTime> > InstanceTimeList; |
| michael@0 | 57 | |
| michael@0 | 58 | void AddDependentTime(nsSMILInstanceTime& aTime); |
| michael@0 | 59 | void RemoveDependentTime(const nsSMILInstanceTime& aTime); |
| michael@0 | 60 | void GetDependentTimes(InstanceTimeList& aTimes); |
| michael@0 | 61 | |
| michael@0 | 62 | // Cue for assessing if this interval can be filtered |
| michael@0 | 63 | bool IsDependencyChainLink() const; |
| michael@0 | 64 | |
| michael@0 | 65 | private: |
| michael@0 | 66 | nsRefPtr<nsSMILInstanceTime> mBegin; |
| michael@0 | 67 | nsRefPtr<nsSMILInstanceTime> mEnd; |
| michael@0 | 68 | |
| michael@0 | 69 | // nsSMILInstanceTimes to notify when this interval is changed or deleted. |
| michael@0 | 70 | InstanceTimeList mDependentTimes; |
| michael@0 | 71 | |
| michael@0 | 72 | // Indicates if the end points of the interval are fixed or not. |
| michael@0 | 73 | // |
| michael@0 | 74 | // Note that this is not the same as having an end point whose TIME is fixed |
| michael@0 | 75 | // (i.e. nsSMILInstanceTime::IsFixed() returns true). This is because it is |
| michael@0 | 76 | // possible to have an end point with a fixed TIME and yet still update the |
| michael@0 | 77 | // end point to refer to a different nsSMILInstanceTime object. |
| michael@0 | 78 | // |
| michael@0 | 79 | // However, if mBegin/EndFixed is true, then BOTH the nsSMILInstanceTime |
| michael@0 | 80 | // OBJECT returned for that end point and its TIME value will not change. |
| michael@0 | 81 | bool mBeginFixed; |
| michael@0 | 82 | bool mEndFixed; |
| michael@0 | 83 | }; |
| michael@0 | 84 | |
| michael@0 | 85 | #endif // NS_SMILINTERVAL_H_ |
